SEOmoz have launched the 2011 Search Engine Ranking Factors suvery and data. View rand’s video before reading the suvery as this would give you an overview of what to expect.
The first part of the data covers each and every element for building an SEO friendly website. There is important information from choosing the right domain name right upto on-page, link building and link baiting.
The other half covers correlation data which has been taken from viewing over 10,000 search results from Google. You can also downaload the raw data and do your own survey if need be.
Have a look at the suvery and let me know your comments.